Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Heavy soil-en#Sense
Jäykkä maa-fi#Sense
Vette grond-nl#Sense
Styv jord-sv#Sense
Solo pesado-pt#Sense
Schwerer Boden-de#Sense
Fed jord-da#Sense
Βαρύ έδαφος-el#Sense
Terreno pesante-it#Sense
Tierra pesada-es#Sense
Svær jord-da#Sense
Βαρειά γη-el#Sense
Zware grond-nl#Sense
Sol lourd-fr#Sense